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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2255 | * Filter the video embed output. |
| 2256 | * |
| 2257 | * @since 3.6.0 |
| 2258 | * |
| 2259 | * @param string $video Video embed output. |
| 2260 | * @param array $attr An array of embed attributes. |
| 2261 | * @param string $url The original URL that was matched by the regex. |
| 2262 | * @param array $rawattr The original unmodified attributes. |
| 2263 | */ |
| 2264 | return apply_filters( 'wp_embed_handler_video', $video, $attr, $url, $rawattr ); |
| 2265 | } |
| 2266 | |
| 2267 | /** |
| 2268 | * Converts a shorthand byte value to an integer byte value. |
| 2269 | * |
| 2270 | * @since 2.3.0 |
| 2271 | * |
| 2272 | * @param string $size A shorthand byte value. |
| 2273 | * @return int An integer byte value. |